Together with siblings, Luciano, Carlo and Gilberto, also billionaires, formed Benetton Group in 1965. The $2.5 billion (sales) clothing company sells its United Colors of Benetton, Sisley, Playlife and Killer Loop brands at more than 5,000 stores in 120 countries. Is also a director of Edizione, the family holding company that owns stakes in Atlantia, formerly Autostrade, one of the world's largest toll road companies; and Autogrill restaurants, which serve nearly 900 million customers each year on highways and in airports in 42 countries. It was Giuliana who started the family's fashion business, knitting sweaters that brother Luciano would then peddle by bicycle. Originally sold under the Tres Jolie label, before eventually renaming it Benetton.